login

A172253 as a simple table

na(n)
11
23
37
49
511
613
717
819
923
1027
1129
1231
1333
1437
1541
1643
1747
1849
1951
2053
2157
2259
2361
2467
2569
2671
2773
2877
2979
3081
3183
3287
3389
3491
3593
3697
3799
38101
39103
40107
41109
42111
43113
44119
45121
46123
47127
48129
49131
50133
51137
52139
53141
54143
55149
56151
57153
58157
59159
60161

[1,3,7,9,11,13,17,19,23,27,29,31,33,37,41,43,47,
 49,51,53,57,59,61,67,69,71,73,77,79,81,83,87,89,
 91,93,97,99,101,103,107,109,111,113,119,121,123,
 127,129,131,133,137,139,141,143,149,151,153,157,
 159,161]